Finding the Fourth Proportional to 4,080,560.99, 6,121,184.13 and 1,240,697.75
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Solution
The fourth proportional to 4,080,560.99, 6,121,184.13 and 1,240,697.75 is: 1,861,150.81
Step by Step Solution
- Step 1: Write the proportion equation
4,080,560.99 : 6,121,184.13 = 1,240,697.75 : x - Step 2: Convert to fraction form
4,080,560.99/6,121,184.13 = 1,240,697.75/x - Step 3: Cross multiply
4,080,560.99x = 6,121,184.13 × 1,240,697.75 - Step 4: Simplify right side
4,080,560.99x = 7,594,539,377,426.71 - Step 5: Solve for x
x = 7,594,539,377,426.71/4,080,560.99 - Step 6: Final answer
x = 1,861,150.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.